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You can replace all occurrences of a specific string or regular
expression with the return value of a BeanShell script if the
<b>Return value of a BeanShell
snippet</b> radio button is selected in the search dialog box.<p>

You can use
this, for example, to convert all tags in an HTML file to lower case, by
searching for the following regular expression:

<p>
<code>&lt;(.+?)&gt;</code>

<p>

And entering the following in the replace text field:

<p>
<code>"&lt;" + _1.toLowerCase() + "&gt;"</code>

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